CVE-2023-34261

Summary

CVE-2023-34261 is a vulnerability affecting Kyocera TASKalfa 4053ci printers up to firmware version 2VG_S000.002.561. This issue enables attackers to identify valid user accounts by observing the error messages returned during a login attempt. Instead of the usual "falsch" (incorrect) error message, the printer returns a "nicht einloggen" (not logged in) message, revealing the existence of a valid username. This vulnerability poses a risk for unauthorized access to the printer and potential further exploitation.

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